A rich wetland eco-system of 33.93 sq. kms. on the southern bank of river Brahmaputra in the Sibsagar district.

How to reach Pani-Dihing Bird Sanctuary : By road from Rowriah Airport (Jorhat) it is 80 Kms., from Mohanbari Airport (Dibrugarh) 88 Kms., from Sibsagar 22 Kms., from Jorhat 75 kms., from Dibrugarh 73 Kms. and from Guwahati it is 386 Kms.